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Finding the Fourth Proportional to 232.44, 319.42 and 221.73

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Solution

The fourth proportional to 232.44, 319.42 and 221.73 is: 304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.44 : 319.42 = 221.73 : x
  2. Step 2: Convert to fraction form
    232.44/319.42 = 221.73/x
  3. Step 3: Cross multiply
    232.44x = 319.42 × 221.73
  4. Step 4: Simplify right side
    232.44x = 70,825.00
  5. Step 5: Solve for x
    x = 70,825.00/232.44
  6. Step 6: Final answer
    x = 304.70

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.